<template>
  <div>
      <!-- <el-button type="primary">111</el-button> -->
     <!-- 头部 -->
        <header class="header">
            <!-- 头部的第一行 -->
            <div class="top">
                <div class="container">
                    <div class="loginList">
                        <p>尚品汇欢迎您！</p>
                        <p v-if="$store.state.user.userInfo.name">
                            
                            <a href="javascript:;">{{$store.state.user.userInfo.name}}</a>
                            <a href="javascript:;" class="register" @click="logout">退出登录</a>
                        </p>
                        <p v-else>
                            <span>请</span>
                            <router-link to="/login">登录</router-link>
                            <router-link class="register" to="/register" >免费注册</router-link>
                            <!-- <a href="###">登录</a> -->
                            <!-- <a href="###" class="register">免费注册</a> -->
                        </p>
                    </div>
                    <div class="typeList">
                        <!-- <a href="###">我的订单</a> -->
                        <router-link to="/center">我的订单</router-link>
                        <!-- <a href="###">我的购物车</a> -->
                        <router-link to="/shopcart">我的购物车</router-link>
                        <a href="###">我的尚品汇</a>
                        <a href="###">尚品汇会员</a>
                        <a href="###">企业采购</a>
                        <a href="###">关注尚品汇</a>
                        <a href="###">合作招商</a>
                        <a href="###">商家后台</a>
                    </div>
                </div>
            </div>
            <!--头部第二行 搜索区域-->
            <div class="bottom">
                <h1 class="logoArea">
                    <router-link to="/home" class="logo" title="尚品汇" >
                        <img src="./images/logo.png" alt="">
                    </router-link>
                    <!-- <a class="logo" title="尚品汇" href="###" target="_blank">
                        <img src="./images/logo.png" alt="">
                    </a> -->
                </h1>
                <div class="searchArea">
                    <form action="###" class="searchForm">
                        <input type="text" id="autocomplete" class="input-error input-xxlarge" v-model="keyword" />
                        <button class="sui-btn btn-xlarge btn-danger" type="button" @click="toSearch">搜索</button>
                    </form>
                </div>
            </div>
        </header>
  </div>
</template>

<script>
  export default {
    name:'Header',
    data() {
        return {
            keyword: ''
        }
    },
    mounted() {
        // 事件总线绑定  清空搜索框
        this.$bus.$on('clearKeyword',this.clearKeyword)
    },
    methods: {
        // 搜索框
        toSearch(){
            // 方式1： 这里是用catch处理错误
            // this.$router.push({
            //     name: 'search',
            //     params: {
            //         keyword: this.keyword || undefined  // 这里用 undefined是当params参数为空字符串时 路由路径不会出错
            //     },
            //     query: {
            //         keyword1: this.keyword.toUpperCase()
            //     }
            // }).catch(()=>{})

            let location = {
                name: 'search',
                params: {
                    keyword: this.keyword || undefined  // 这里用 undefined是当params参数为空字符串时 路由路径不会出错
                },
            }
            // 跳转之前查看有无query参数  有合并query参数
            if(this.$route.query){
                location.query = this.$route.query
            }

            // this.$router.push(location)
            // home 跳转到 search 用push   search页内跳转用 replace  通过路由路径来进行判断
            if(this.$route.path !== '/home'){
                this.$router.replace(location)
            }else{
                this.$router.push(location)
            }
                // {
                
                // name: 'search',
                // params: {
                //     keyword: this.keyword || undefined  // 这里用 undefined是当params参数为空字符串时 路由路径不会出错
                // },
                // query: {
                //     keyword1: this.keyword.toUpperCase()
                // }
            // }
            
        },
        // 清空关键字
        clearKeyword(){
            this.keyword = ''
        },
        // 退出登录
        async logout(){
            try {
                await this.$store.dispatch('user/userLogout')
                alert('用户退出登录成功')
                this.$router.push('/')   // 退出登录成功 重定向进行跳转
            } catch (error) {
                alert(error.message)
            }
        }
    },
  }
</script>

<style lang="less" scoped>
  .header {
        &>.top {
            background-color: #eaeaea;
            height: 30px;
            line-height: 30px;

            .container {
                width: 1200px;
                margin: 0 auto;
                overflow: hidden;

                .loginList {
                    float: left;

                    p {
                        float: left;
                        margin-right: 10px;

                        .register {
                            border-left: 1px solid #b3aeae;
                            padding: 0 5px;
                            margin-left: 5px;
                        }
                    }
                }

                .typeList {
                    float: right;

                    a {
                        padding: 0 10px;

                        &+a {
                            border-left: 1px solid #b3aeae;
                        }
                    }

                }

            }
        }

        &>.bottom {
            width: 1200px;
            margin: 0 auto;
            overflow: hidden;

            .logoArea {
                float: left;

                .logo {
                    img {
                        width: 175px;
                        margin: 25px 45px;
                    }
                }
            }

            .searchArea {
                float: right;
                margin-top: 35px;

                .searchForm {
                    overflow: hidden;

                    input {
                        box-sizing: border-box;
                        width: 490px;
                        height: 32px;
                        padding: 0px 4px;
                        border: 2px solid #ea4a36;
                        float: left;

                        &:focus {
                            outline: none;
                        }
                    }

                    button {
                        height: 32px;
                        width: 68px;
                        background-color: #ea4a36;
                        border: none;
                        color: #fff;
                        float: left;
                        cursor: pointer;

                        &:focus {
                            outline: none;
                        }
                    }
                }
            }
        }
    }
</style>